{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://askcalculators.com/calculator/significant-figures-calculator/schema.json",
  "title": "Significant Figures Calculator inputs",
  "description": "Perform arithmetic and round the result using significant-figure rules.",
  "type": "object",
  "properties": {
    "operation": {
      "title": "Operation",
      "type": "string",
      "default": "multiply",
      "enum": [
        "add",
        "subtract",
        "multiply",
        "divide"
      ],
      "x-optionLabels": {
        "add": "Add",
        "subtract": "Subtract",
        "multiply": "Multiply",
        "divide": "Divide"
      }
    },
    "valueA": {
      "title": "First measured value",
      "type": "string",
      "default": "12.30"
    },
    "valueB": {
      "title": "Second measured value",
      "type": "string",
      "default": "4.5"
    }
  },
  "required": [
    "operation",
    "valueA",
    "valueB"
  ],
  "additionalProperties": false,
  "x-askcalculators": {
    "version": "1.0.0",
    "calculatorUrl": "https://askcalculators.com/calculator/significant-figures-calculator/",
    "queryExample": "https://askcalculators.com/calculator/significant-figures-calculator/?operation=multiply&valueA=12.30&valueB=4.5",
    "migrationStatus": "new",
    "reviewStatus": "pending",
    "pageStatus": "live",
    "workStatus": "pending",
    "formula": {
      "expression": "multiplication/division retain the fewest significant figures; addition/subtraction retain the fewest decimal places"
    },
    "quality": {
      "availability": "live",
      "technicalReviewRecord": "/reviews/significant-figures-calculator.json",
      "qualifiedReview": "pending",
      "qualifiedReviewer": null,
      "qualifiedReviewDate": null,
      "formulaVersion": "1.0.0",
      "referenceCoverage": "references-pending",
      "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
      "historicalMetadataDate": "2026-09-01",
      "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
    },
    "outputs": {
      "roundedResult": {
        "title": "Result with significant-figure rule",
        "type": "string",
        "x-format": "text",
        "x-primary": true
      },
      "unroundedResult": {
        "title": "Unrounded numeric result",
        "type": "number",
        "x-format": "number",
        "x-digits": 15
      },
      "rule": {
        "title": "Rule applied",
        "type": "string",
        "x-format": "text"
      },
      "retainedDigits": {
        "title": "Retained significant figures",
        "type": "number",
        "x-format": "integer"
      }
    }
  }
}